The following differences between Bryophytes and Pteridophytes are given below: No. Bryophytes Pteridophytes 1 The plant body cannot be divided into root, stem, and leaves. The plant body is divided into root, stem, and leaves. 2 The thallus is game tophytic. The thallus is sporophytic. 3 Vascular tissue is absent. Vascular tissue is present. 4 … Read more
Why is the plasma membrane semiliquid in nature? Explain. The plasma membrane is semi-liquid in nature because the interior of the phospholipid bilayer is occupied by hydrophobic fatty acid chains, the membrane is impermeable to water-soluble molecules, including ions and most biological molecules. Besides, bilayers of the naturally occurring phospholipids are viscous fluids, not solids. … Read more
What do you mean by fruit body? In fungi, the fruit body is a multicellular structure on which spore-producing structures, such as basidia or asci, are developed. The fruit body is part of the sexual phase of a fungal life cycle, while the rest of the life cycle is characterized by vegetative mycelial growth and … Read more
What do you mean by the transport system of cells? Transport is the collection of mechanisms that regulate the passage of solutes such as ions and small molecules through biological membranes, which are lipid bilayers that contain proteins embedded in them. A transport system is a means by which materials are moved (transported) from an … Read more
What is haemozoin? Explain. Haemozoin is a granular, insoluble toxic substance. The haemoglobin that remains inside the red blood cell is a compound of two materials globulin and haematin. Haemoglobin is converted into globulin and haematin after being analyzed by the amoeboid trophozoite stage of the malaria parasite of erythrocytic schizogony in the human body. … Read more
Why is Lysosome called a suicidal bag? Explain. Lysosomes are cellular organelles that contain digestive enzymes that break down waste materials, foreign material, and cellular debris. Lysosomes are capable of digesting nucleic acid, polysaccharides, fats, and proteins. Along with them lysosomes also digest or damage their own cells by its own enzymes, which lead to … Read more
Why is a hydra called a diploblastic animal? In the embryonic stage, the diploblastic animals have only ectoderm and endoderm body cells that are arranged in two certain levels. Besides, there is an acellular layer between these two levels that have jelly-like mesoglea. Since these characteristics are found in Hydra, henceforth Hydra is called a … Read more
What do you mean by trait? Some differences in faces, shapes, or living habits are seen among all the animals in the natural environment. These similarities and dissimilarities among the animals are called traits. These traits are expressed in animals in different amounts and at different rates. The word “trait” can have a few different … Read more